Trench Drain Kit for Use in Concrete - Commercial Grade - H20 Load Rating - Iron Grate - 48" Long Channel

Q: Does a neutral invert drain still require slope?

Yes. The concrete slab must provide the fall; the channel simply follows that grade toward the outlet.

Q: Is H-20 appropriate for passenger vehicles?

Yes—when properly embedded in concrete and installed per guidance, H-20 covers typical passenger vehicles and light trucks.

Q: Can I swap to galvanized steel grates later?

You can, but the load class drops to Class C. Confirm your traffic and use case align with that lighter-duty rating.

Q: How many steel grates are needed per channel?

Two galvanized steel grates per channel section are required when selecting the optional steel grate accessory.

$525.13

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SKU DS-091NDIKIT-

Quantity

The Trench Drain Kit for Use in Concrete ensures strong, professional-quality drainage performance. With commercial-grade components and a flat neutral channel, it’s specifically suited for concrete-based installations.

Turnkey Kit – Supplied with a neutral channel, two ductile iron grates with fasteners, an end cap, end outlet, and grate locks.
Reliable Grating – Ductile iron grates resist heavy wear and corrosion, ensuring service in more aggressive environments.
Channel Build – 6″ width × 48" length, with a 4.3″ invert depth and 6.1″ total depth, giving a rugged and capable hydraulic section.
Neutral Channel – Flat invert design works well in concrete pours where slope adjustments must be managed independently.
Load Capacity – H-20 traffic rating makes this kit suitable for driveways, garages, and other vehicle-bearing areas.

Steel Grate Option: Galvanized steel grates are also available as an accessory to this kit. Adding a steel grate will reduce the load rating to Class C. Two grates are required per channel.

Note: It is recommended that a bottom drain is installed after each run of 5 connected channels. The bottom drain easily connects to the underside of the channel drain.

Kit Includes:

(1) 4.3 in. Deep neutral channel drain section
(2) Ductile iron grates with screws
(4) ProFit™ grate locks
(1) End outlet
(1) End cap
Screws to attach end component

Applications

Captures surface runoff and directs it to a connected drain pipe, preventing property damage, mildew, slip hazards, and concrete staining
Ideal for driveways, parking areas, loading docks, pool decks, and other impervious surfaces in residential, commercial, industrial, and municipal settings
Integrates with Dura Slope® channel drains, grates, and accessories to safely convey stormwater downstream

Features

All-in-one kit eliminates the hassle of searching for parts or making multiple trips to your supplier
Pre-packaged for convenience, keeping components organized and preventing lost or misplaced pieces on the job site
Modular channel connects easily to additional Dura Slope components with secure tongue-and-groove joints

Spec Sheets

Specifiction Sheet >

Installation Instructions >

Visit ndspro.com for a complete selection of specification sheets and other technical information.

Quote Request

Not sure of the exact parts needed for your project? Please submit an NDS Channel / Trench Drain Quote Request >

Shipping

All items ship for free (standard ground, see map)
Call: (800) 604-5537 for pricing and shipping questions. Shipping estimates shown on the map pertain to this specific product only.
Orders typically ship in 1-2 business days. Transit times displayed in the map are listed in business days, and are approximate. The day that the order is shipped is not counted as a transit day.

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Custom Trench / Channel Drain System & Accessories (Free Shipping)

The above kit is one product in the Dura Slope® trench drain series. If you are looking to put togehter a sloped drain or custom system please see the components below. Please note, accessories (grates, clips, caps, etc.) must be purchased with a channel / trench drain system including channels and cannot ship alone.

Trench Drain Kit for Use in Concrete: A Practical Installation & Buying Guide

The Trench Drain Kit for Use in Concrete packages all core components for a professional, long-lasting surface drainage run. Below, we explain how it works in a concrete slab, what a neutral invert (flat-base) profile means in plain English, how to install it step-by-step, and what to consider when choosing grates—plus a real-world case study and FAQs.

Poolside trench drain installed along the coping — Poolside installation with flush, slip-resistant grates.

What Is a Trench Drain Kit for Concrete?

It’s a pre-configured trench drain package designed specifically for concrete embedment. Each kit includes a neutral (flat) invert channel, two ductile iron grates with fasteners, an end outlet, an end cap, and grate locks. In simple terms: you receive the channel body to carry water, the metal grates that finish flush to the slab, and the end pieces—so ordering is straightforward and field setup is faster.

Why contractors like kits

Everything arrives together—fewer SKUs to track and fewer missing parts.
Factory-matched components ensure fitment, durability, and load performance.
Simplifies takeoffs, staging, and installation sequencing.

Key Specifications & Performance

Spec	Value	Plain-English Benefit
Channel Width × Length	6″ × 4 ft per section	Compact form for sidewalks, aprons, pool decks; sections join for longer runs.
Invert Depth / Total Depth	4.3″ invert / 6.1″ total	Balanced hydraulic capacity without excessive excavation.
Invert Type	Neutral (flat base)	Best where the slab itself provides fall or you need precise thresholds.
Standard Grates	Ductile iron (locking)	Heavy-duty, wear- and corrosion-resistant metal suited to concrete slabs.
Traffic Rating	H-20 with proper installation	Handles typical passenger vehicles in driveways and parking areas.
Optional Grates	Galvanized steel (accessory)	Two per channel; reduces load rating to Class C for lighter duty sites.

Trench drain kit installed along pool perimeter — Continuous run along a pool perimeter with neat joints.

When a Neutral-Invert Channel Makes Sense

A neutral invert means the channel’s internal base is flat—there’s no built-in slope. Choose it when your concrete slab provides the grade or when you need tight control where elevations change (garage thresholds, ADA paths, door openings, pool decks). In short: the slab sets the slope, and the channel follows it.

Ideal applications

Driveways and aprons meeting sidewalks or garages
Pool decks and plazas where consistent elevations matter
Retrofits with limited excavation depth
Dock areas and door thresholds that need exact grate height

Concrete-Embed Installation: Step-by-Step

Layout & Elevation: Snap lines; confirm finished grate height. Verify the slab design provides fall toward the outlet.
Excavate & Bed: Dig a trench allowing for channel depth plus concrete encasement. Compact base and place stable bedding (e.g., crushed stone).
Form & Support: Set forms. Dry-fit channels, end cap, and end outlet. Use rebar ties/legs or channel feet (if provided) to hold elevation.
Join Sections: Connect channels per manufacturer. Install grate locks or temporary bracing to prevent bulging during the pour.
Verify Alignment: Check straightness, joint seating, and grate height relative to the slab edge.
Place Concrete: Pour evenly on both sides to avoid floating. Consolidate gently—remove voids without shifting alignment.
Finish & Cure: Finish slab flush to the grate edge rails. Allow full cure per mix design before opening to traffic.
Set Grates: After cure, install ductile iron grates and fasteners; tighten to recommended torque.

Pro tips to prevent callbacks

Brace or lock channels before the pour to maintain straight lines.
Avoid voids; poor consolidation undermines load capacity and longevity.
Pre-confirm outlet height and piping so nothing changes on pour day.

Trench drain kit embedded in concrete capturing surface water — Concrete-embedded trench drain handling deck runoff.

Case Study: Community Pool Deck Retrofit

Site: Municipal pool complex with splash-out water pooling along the perimeter walk.
Problem: Standing water created slippery conditions and stained the deck; nearby doors saw frequent water intrusion during storms.
Solution: A 100-ft run of the Trench Drain Kit for Use in Concrete was installed along the coping line. Crews re-poured the affected slab band with a 1% fall toward the end outlet and used the kit’s ductile iron grates for durability and traction.

Why this kit: The all-in-one package simplified procurement and staging; neutral invert allowed precise elevation control at door thresholds. The H-20 rating ensured confidence for service carts and maintenance vehicles.

Install time: Two days (demo, trenching, set, pour), plus post-cure grate install.
Outcome: No standing water; reduced slip incidents; clean, continuous grate line.
Maintenance: Monthly grate lift/flush during swim season; minimal debris accumulation.

Choosing Between Ductile Iron and Galvanized Steel Grates

The kit’s ductile iron grates provide maximum strength and wear resistance in concrete—supporting the system’s H-20 traffic rating when installed properly. For lighter-duty or decorative settings, you can opt for galvanized steel grates; note this reduces the load class to C and requires two grates per channel.

Common Installation Mistakes

Inadequate support during the pour leading to bowing or misalignment.
Voids beside the channel from poor consolidation—reduces load rating.
Incorrect grate elevation versus slab—causes trip edges or bypass flow.
Skipping locks/fasteners—grates can chatter or shift under traffic.

Maintenance & Service Life

Build in a routine inspection/cleanout—quarterly for most commercial sites, seasonally for residential. Lift grates, remove debris, and flush toward the outlet. With proper embedment and care, the channel and ductile iron grates deliver a long, low-maintenance life.

FAQ: Trench Drain Kits in Concrete

Does a neutral invert drain still require slope?

Yes. The concrete slab must provide the fall; the channel simply follows that grade toward the outlet.

Is H-20 appropriate for passenger vehicles?

Yes—when properly embedded in concrete and installed per guidance, H-20 covers typical passenger vehicles and light trucks.

Can I swap to galvanized steel grates later?

You can, but the load class drops to Class C. Confirm your traffic and use case align with that lighter-duty rating.

How many steel grates are needed per channel?

Two galvanized steel grates per channel section are required when selecting the optional steel grate accessory.

Ready to Configure Your Trench Drain Run?

Share your run length, outlet location, and traffic needs. Mainline Materials will help finalize kit counts, outlet fittings, and grate selection.

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